ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,065, issued on April 22, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Method and apparatus for transmitting ACK/NACK" was invented by Taegyun Noh (Daejeon, South Korea) and Jae Young Ahn (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a ...